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All results from a given calculation for CH(CN)3 (tricyanomethane)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-316.392410
Energy at 298.15K 
HF Energy-315.358113
Nuclear repulsion energy209.994063
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3069 3004        
2 A1 2287 2239        
3 A1 828 811        
4 A1 560 548        
5 A1 159 155        
6 A2 331 324        
7 E 2287 2239        
7 E 2287 2239        
8 E 1286 1259        
8 E 1286 1259        
9 E 1028 1006        
9 E 1028 1006        
10 E 555 544        
10 E 555 543        
11 E 330 323        
11 E 329 322        
12 E 127 124        
12 E 126 124        

Unscaled Zero Point Vibrational Energy (zpe) 9229.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 9033.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVDZ
ABC
0.09292 0.09292 0.04898

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.521
H2 0.000 0.000 1.630
C3 0.000 1.418 0.062
C4 1.228 -0.709 0.062
C5 -1.228 -0.709 0.062
N6 0.000 2.543 -0.280
N7 2.203 -1.272 -0.280
N8 -2.203 -1.272 -0.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 N6 N7 N8
C11.10861.49051.49051.49052.66662.66662.6666
H21.10862.11362.11362.11363.18063.18063.1806
C31.49052.11362.45642.45641.17623.49363.4936
C41.49052.11362.45642.45643.49361.17623.4936
C51.49052.11362.45642.45643.49363.49361.1762
N62.66663.18061.17623.49363.49364.40544.4054
N72.66663.18063.49361.17623.49364.40544.4054
N82.66663.18063.49363.49361.17624.40544.4054

picture of tricyanomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 N6 179.006 C1 C4 N7 179.006
C1 C5 N8 179.006 H2 C1 C3 107.920
H2 C1 C4 107.920 H2 C1 C5 107.920
C3 C1 C4 110.977 C3 C1 C5 110.977
C4 C1 C5 110.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability